Control Circuit Error

What does CPF01 mean?

A self-diagnostic error has occurred within the drive's control circuit, or the connector on the digital operator is damaged. This indicates an internal problem with the drive's control logic or a faulty operator interface, both of which are critical for proper operation and can lead to unreliable control or complete drive shutdown.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If the problem continues after power cycling and operator inspection, contact Yaskawa technical support for guidance on replacing either the control board or the entire drive unit.